#include <iostream>
using namespace std;
string PIN;
int main()
{
cout << "Witaj w naszym banku" << endl;
cout << "Podaj numer PIN ";
cin >> PIN;
if(PIN=="1729")
{
cout << "Poprawny PIN ";
}
else
{
cout << "niepoprawny PIN ";
}
return 0;
}
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